Ah, thank you. I'll post the issue and see if I can get homebrew to resolve it!
On Monday, October 12, 2020 at 2:29:10 PM UTC-4 [email protected] wrote: > You don't need different TARGETs. `DYNAMIC_ARCH=1` means that it will > detect at runtime what the CPU is and will use the kernel matching the CPU > at runtime. `TARGET` gives the oldest CPU that this code will run on so > that the common code is compiled to target this. > > Isuru > > On Mon, Oct 12, 2020 at 1:24 PM Zachary Scherr <[email protected]> wrote: > >> I posted about it on their discussion page, but I'm not sure there will >> be anything they can do. They build their libraries on several different >> versions of MacOS, but I'm not sure they build with several different >> TARGETS. I can try to pursue this, but the easy fix for now is that if >> people want to install openblas via homebrew they should install from >> source. >> >> On Monday, October 12, 2020 at 2:09:28 PM UTC-4 [email protected] wrote: >> >>> On Mon, Oct 12, 2020 at 6:17 PM Isuru Fernando <[email protected]> >>> wrote: >>> > >>> > I looked at the openblas formula in homebrew and they are not passing >>> the TARGET option. When using DYNAMIC_ARCH=1, a target should be specified. >>> >>> care to open an issue with them on >>> https://github.com/Homebrew/homebrew-core ? >>> >>> > >>> > Isuru >>> > >>> > On Mon, Oct 12, 2020 at 11:34 AM Zachary Scherr <[email protected]> >>> wrote: >>> >> >>> >> In case anyone is curious, I've tracked the problem down to >>> homebrew's openBLAS and so it has nothing to do with sage. If I build numpy >>> from source through homebrew then I get exactly the same error using my >>> system python3. I'm wondering if maybe this has something to do with the >>> fact that openBLAS is bottled with a different processor type than the one >>> that is on my system. In any case I'll ask over there and see if I can get >>> some help. >>> >> >>> >> On Sunday, October 11, 2020 at 10:17:43 PM UTC-4 Zachary Scherr >>> wrote: >>> >>> >>> >>> Hi Dima, >>> >>> >>> >>> My system-wide numpy is installed via pip. I was just remarking that >>> I didn't build my system-wide numpy from source so it's not a fair >>> comparison. It's possible that the issues aren't sage related but are >>> related to building sage's numpy against some homebrew libraries. >>> >>> >>> >>> On Sunday, October 11, 2020 at 8:11:13 PM UTC-4 [email protected] >>> wrote: >>> >>>> >>> >>>> On Mon, Oct 12, 2020 at 1:00 AM Zachary Scherr <[email protected]> >>> wrote: >>> >>>> > >>> >>>> > That also crashes with: 86622 segmentation fault ./sage --python >>> >>>> > >>> >>>> > I tested this both with building sage against homebrew python >>> 3.8.6 and against sage's default python 3.8.5 and the same error occurred >>> in both cases. I don't have this problem using my system-wide numpy so it's >>> possible that because sage numpy is built from source that maybe one of my >>> homebrew libraries is causing issues. I found >>> https://github.com/numpy/numpy/issues/11551 which could be relevant and >>> might indicate that it's not a sage problem. >>> >>>> >>> >>>> If you are talking about Homebrew's numpy, it should be more or >>> less >>> >>>> identical with Sage's numpy (assuming you use Homebrew's openblas >>> in >>> >>>> Sage) >>> >>>> cf. >>> https://github.com/Homebrew/homebrew-core/blob/master/Formula/numpy.rb >>> >>>> >>> >>>> > >>> >>>> > I should also add that if I lower the dimension of x to 100000 >>> then it works without problem. >>> >>>> > >>> >>>> > On Sunday, October 11, 2020 at 3:26:11 PM UTC-4 [email protected] >>> wrote: >>> >>>> >> >>> >>>> >> On Sun, Oct 11, 2020 at 8:14 PM Zachary Scherr <[email protected]> >>> wrote: >>> >>>> >> > >>> >>>> >> > Hi All, >>> >>>> >> > >>> >>>> >> > I was doing some bug hunting and noticed that scipy's pytests >>> crashed pretty early. I tracked down exactly what was causing the problem >>> and noticed it can be reproduced by the following sequence of commands: >>> >>>> >> > >>> >>>> >> > sage: import numpy as np >>> >>>> >> > sage: x = np.random.randn(1000000,2) >>> >>>> >> > sage: y = np.random.randn(2,2) >>> >>>> >> > sage: x.dot(y) >>> >>>> >> >>> >>>> >> please test this in "plain" Sage python, i.e. does >>> >>>> >> >>> >>>> >> ./sage --python >>> >>>> >> >>> >>>> >> >>> import numpy as np >>> >>>> >> >>> x = np.random.randn(1000000,2) >>> >>>> >> >>> y = np.random.randn(2,2) >>> >>>> >> >>> x.dot(y) >>> >>>> >> >>> >>>> >> reproduce the crash? >>> >>>> >> >>> >>>> >> >>> >>>> >> >>> >>>> >> > >>> >>>> >> > produces: >>> >>>> >> > >>> >>>> >> > >>> ------------------------------------------------------------------------ >>> >>>> >> > 0 signals.cpython-38-darwin.so 0x00000001088bc62a >>> print_backtrace + 58 >>> >>>> >> > 1 signals.cpython-38-darwin.so 0x00000001088c0277 sigdie + 39 >>> >>>> >> > 2 signals.cpython-38-darwin.so 0x00000001088c0212 >>> sigdie_for_sig + 290 >>> >>>> >> > 3 libsystem_platform.dylib 0x00007fff6c88e5fd _sigtramp + 29 >>> >>>> >> > >>> ------------------------------------------------------------------------ >>> >>>> >> > Unhandled SIGBUS: A bus error occurred. >>> >>>> >> > This probably occurred because a *compiled* module has a bug >>> >>>> >> > in it and is not properly wrapped with sig_on(), sig_off(). >>> >>>> >> > Python will now terminate. >>> >>>> >> > >>> ------------------------------------------------------------------------ >>> >>>> >> > /Users/zscherr/sage/src/bin/sage-python: line 2: 78812 Bus >>> error: 10 sage -python "$@" >>> >>>> >> > >>> >>>> >> > I haven't tested on any other platforms, but for what it's >>> worth I have Catalina 10.15.7 with Xcode 12. >>> >>>> >> > >>> >>>> >> > Thanks, >>> >>>> >> > Zach >>> >>>> >> > >>> >>>> >> > -- >>> >>>> >> > You received this message because you are subscribed to the >>> Google Groups "sage-devel" group. >>> >>>> >> > To unsubscribe from this group and stop receiving emails from >>> it, send an email to [email protected]. >>> >>>> >> > To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sage-devel/28f58136-d3c7-40b7-9a46-36fc347acc2en%40googlegroups.com. >>> >>> >>> >>>> > >>> >>>> > -- >>> >>>> > You received this message because you are subscribed to the >>> Google Groups "sage-devel" group. >>> >>>> > To unsubscribe from this group and stop receiving emails from it, >>> send an email to [email protected]. >>> >>>> > To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sage-devel/a67ca4b5-526b-40d7-a476-520d49890207n%40googlegroups.com. >>> >>> >>> >> >>> >> -- >>> >> You received this message because you are subscribed to the Google >>> Groups "sage-devel" group. >>> >> To unsubscribe from this group and stop receiving emails from it, >>> send an email to [email protected]. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sage-devel/7ba7ef07-8460-4180-8670-397e1fb6df93n%40googlegroups.com. >>> >>> >>> > >>> > -- >>> > You received this message because you are subscribed to the Google >>> Groups "sage-devel" group. >>> > To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> > To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sage-devel/CA%2B01voNTGybhpxULUXSuBxFFc2fAXkwyer%3DQ0pSAPpP3Am8uDQ%40mail.gmail.com. >>> >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-devel" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/sage-devel/e0f2c485-cb29-4db3-85bc-3c2632835c90n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sage-devel/e0f2c485-cb29-4db3-85bc-3c2632835c90n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. 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